Summer Trail Fest Ultra 50 Mile, 50K, Half Marathon, & 5 Miler

Lace up for an unforgettable summer adventure at the Summer Trail Fest Ultra, held on June 13, 2026, at the scenic Sleepy Hollow State Park in Laingsburg, Michigan. Known affectionately as STFU, this event, now in its fifth year, offers a spectrum of challenges: a 50-mile ultra, a 50K, a Half Marathon, and a 5 Miler, with ruck divisions available for many distances. Runners can expect typical race day conditions with highs around 79°F and lows around 57°F, accompanied by a low 13% chance of precipitation, perfect for hitting the trails.

The course at Sleepy Hollow State Park is a runner's dream, featuring 90% scenic, well-groomed, and runnable singletrack with minimal technical terrain. The terrain is largely flowy and considered mostly flat, making it an excellent choice for both first-time ultra-runners and seasoned veterans chasing a personal record. Aid stations are a highlight, described as well-stocked, frequent, and overflowing with options like water, Tailwind, gels, salty and sweet snacks, trail mix, hummus wraps, and even pierogis. With generous cutoff times and exceptionally clear course markings, getting lost is difficult, and you'll have ample support to achieve your goals.

What truly sets STFU apart is its vibrant community atmosphere and unique finisher rewards. The looped course for ultra distances allows convenient access to drop bags and multiple opportunities to connect with family and friends. After crossing the finish line, celebrate your accomplishment at the lively post-race cookout featuring burgers, hot dogs, and sides—spectators can even join the barbecue with a purchased picnic ticket in 2026. And for those who also conquer the Winter Trail Fest, your STFU and WTF medals magnetically connect to form one impressive memento of your year-round trail running commitment.